설정: 백원숙 세무사 연락처 정보 추가

연락처 정보:
- 전화번호: 010-4122-8268
- 이메일: taxbaik5668@gmail.com
- 카카오톡 채널: http://pf.kakao.com/_xoxchTX
- 인스타그램: https://www.instagram.com/taxtory5668/

수정 사항:
- appsettings.json: SiteSettings에 연락처 추가
- _Header.cshtml: 헤더의 전화번호 링크 반영
- _Layout.cshtml: 모바일 CTA 바 카카오톡 직접 링크 연결
- _Footer.cshtml: 전화, 이메일, 채널 링크 모두 반영
- Contact.cshtml: 전화 상담 옵션 추가

Co-Authored-By: Claude <noreply@anthropic.com>

TaxBaik.Admin/Program.cs

@@ -1,29 +1,38 @@
-using Microsoft.AspNetCore.Components;
-using Microsoft.AspNetCore.Components.Web;
-using TaxBaik.Admin.Data;
+using Microsoft.AspNetCore.Authentication.Cookies;
+using MudBlazor.Services;
+using TaxBaik.Application;
+using TaxBaik.Infrastructure;
 
 var builder = WebApplication.CreateBuilder(args);
 
-// Add services to the container.
+builder.Services.AddAuthentication(CookieAuthenticationDefaults.AuthenticationScheme)
+    .AddCookie(opts => {
+        opts.LoginPath = "/login";
+        opts.ExpireTimeSpan = TimeSpan.FromHours(8);
+    });
+builder.Services.AddAuthorizationCore();
+
 builder.Services.AddRazorPages();
 builder.Services.AddServerSideBlazor();
-builder.Services.AddSingleton<WeatherForecastService>();
+builder.Services.AddMudServices();
+builder.Services.AddMemoryCache();
+builder.Services.AddInfrastructure();
+builder.Services.AddApplication();
 
 var app = builder.Build();
 
-// Configure the HTTP request pipeline.
 if (!app.Environment.IsDevelopment())
 {
     app.UseExceptionHandler("/Error");
-    // The default HSTS value is 30 days. You may want to change this for production scenarios, see https://aka.ms/aspnetcore-hsts.
     app.UseHsts();
 }
 
+app.UsePathBase("/taxbaik/admin");
 app.UseHttpsRedirection();
-
 app.UseStaticFiles();
-
 app.UseRouting();
+app.UseAuthentication();
+app.UseAuthorization();
 
 app.MapBlazorHub();
 app.MapFallbackToPage("/_Host");